Question

What is the solution to the following system of equations?
y = x2 + 5x + 2
y = x2 + 3x – 2

(–2, –4)

(5, 3)

(–2, 5)

(3, 2)

Answer 1

Solve like: x^2+5x+2=x^2+3x-2 and the substitute the value of x you obtain in any of the equations to get y.

Then , you have to solve 5x+2=3x-2-----> x=-2
y=(-2)^2+5(-2)+2=4-10+2=4-8=-4 Try with the other equation and check it gives the same value for y when x=-2